Purge Curves A - 9

Figure A.6 Critical Orifice Calibration Curve

(LS270)

Orifice Dia. .272
Gas: Air
Temp: 100°F
CD: .65
100
80
60
40
20
25 35 45 55
PURGE GAS FLOW RATE (SCFM)
65
P
1
10
30
50
70
90
15
0
PURGE PRESSURE P
1
PSIG
60504020 30 70
HYDROBLOC LS SERIES
PURGE CURVES